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Recent developments within the cosmic ray extremely distributed observatory 最近发展起来的宇宙射线内极分布天文台
Suplemento de la Revista Mexicana de Física Pub Date : 2023-09-27 DOI: 10.31349/suplrevmexfis.4.021123
David Alvarez Castillo, O. Sushchov, M. Bielewicz, T. Wibig, C. Oancea, C. Granja, N. Zabari
{"title":"Recent developments within the cosmic ray extremely distributed observatory","authors":"David Alvarez Castillo, O. Sushchov, M. Bielewicz, T. Wibig, C. Oancea, C. Granja, N. Zabari","doi":"10.31349/suplrevmexfis.4.021123","DOIUrl":"https://doi.org/10.31349/suplrevmexfis.4.021123","url":null,"abstract":"This contribution presents the recent research developments within the Cosmic Ray Extremely Distributed Observatory in the search for resolution of various scientific puzzles, ranging from fundamental physical questions to applications like the determination of earthquake precursors. The state-of-the art theoretical, numerical and computational aspects of these phenomena are addressed, as well as recent experimental developments for detection.","PeriodicalId":210091,"journal":{"name":"Suplemento de la Revista Mexicana de Física","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134904039","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evolution of pion mass with temperature 介子质量随温度的演化
Suplemento de la Revista Mexicana de Física Pub Date : 2023-09-27 DOI: 10.31349/suplrevmexfis.4.021124
Jose Luis Flores-Pon, Marco Antonio Bedolla, Peter Sloane, Alfredo Raya
{"title":"Evolution of pion mass with temperature","authors":"Jose Luis Flores-Pon, Marco Antonio Bedolla, Peter Sloane, Alfredo Raya","doi":"10.31349/suplrevmexfis.4.021124","DOIUrl":"https://doi.org/10.31349/suplrevmexfis.4.021124","url":null,"abstract":"We study the evolution of light quarks with isospin symmetry and the pion masses in the presence of a thermal bath and study their temperature dependence. In addition, we analyze the inclusion of a coupling with temperature dependence. We attempt to study the dissolution of bound-states at temperatures higher than the critical temperature, but we found that the model shows that the bound-state's mass increases. We base our study on a momentum-independent symmetry-preserving truncation scheme contact interaction in the Schwinger-Dyson equations framework.","PeriodicalId":210091,"journal":{"name":"Suplemento de la Revista Mexicana de Física","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134904040","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Particle radiation produced by accelerated systems and their analogy with damped oscillators 加速系统产生的粒子辐射及其与阻尼振子的类比
Suplemento de la Revista Mexicana de Física Pub Date : 2023-09-18 DOI: 10.31349/suplrevmexfis.4.021101
Miguel Angel Estévez Juárez, Emerson Sadurní
{"title":"Particle radiation produced by accelerated systems and their analogy with damped oscillators","authors":"Miguel Angel Estévez Juárez, Emerson Sadurní","doi":"10.31349/suplrevmexfis.4.021101","DOIUrl":"https://doi.org/10.31349/suplrevmexfis.4.021101","url":null,"abstract":"The Unruh effect predicts how uniformly accelerated observers will perceive a change in the vacuum state. This shows that the concept of particle number depends on the acceleration of the reference frame. Although this is a result of quantum field theory, its experimental verification is still questioned, mainly due to the high accelerations required. In this work we study a quantum oscillator with only one complex coordinate and a damping term acting as perturbation, which has all the characteristics of the Unruh effect in second quantization for an accelerated observer. The Bogoliubov transformation connecting the two different vacuum states is obtained. This leads to an explicit formula for the particle occupation number as a function of energy and acceleration. Furthermore, it is shown that our analogue system contains an effective temperature that depends on the observer's sudden acceleration, seen as a friction force. The purpose of this work is to demonstrate that quanta production (particles or energy packets) is inevitable under the premises of quantum field theory.","PeriodicalId":210091,"journal":{"name":"Suplemento de la Revista Mexicana de Física","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135202901","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Radiative corrections and new physics tests in semileptonic tau decays 半光子tau衰变的辐射修正和新物理测试
Suplemento de la Revista Mexicana de Física Pub Date : 2023-09-18 DOI: 10.31349/suplrevmexfis.4.021104
Pablo Roig Garcés
{"title":"Radiative corrections and new physics tests in semileptonic tau decays","authors":"Pablo Roig Garcés","doi":"10.31349/suplrevmexfis.4.021104","DOIUrl":"https://doi.org/10.31349/suplrevmexfis.4.021104","url":null,"abstract":"I review recent advances in the computation of radiative corrections in one- and two-meson tau decays and sketch their main applications in new physics tests: of lepton universality and CKM unitarity, as well as searching for non-standard interactions.","PeriodicalId":210091,"journal":{"name":"Suplemento de la Revista Mexicana de Física","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135207959","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Physics with intact protons at the LHC: from the odderon discovery to the sensitivity to beyond standard model physics 大型强子对撞机中完整质子的物理学:从odderon的发现到对超越标准模型物理学的敏感性
Suplemento de la Revista Mexicana de Física Pub Date : 2023-09-18 DOI: 10.31349/suplrevmexfis.4.021119
Christophe Royon
{"title":"Physics with intact protons at the LHC: from the odderon discovery to the sensitivity to beyond standard model physics","authors":"Christophe Royon","doi":"10.31349/suplrevmexfis.4.021119","DOIUrl":"https://doi.org/10.31349/suplrevmexfis.4.021119","url":null,"abstract":"We describe the discovery of the colorless C-odd gluonic compound, the odderon, by the D0 and TOTEM Collaborations by comparing elastic differential cross sections measured in pp and pp¯ interactions at high energies. We also discuss the reach on quartic anomalous couplings and the sensitivity to axion like particle production by using the LHC as a γγ collider and detecting the intact protons at high luminosity.","PeriodicalId":210091,"journal":{"name":"Suplemento de la Revista Mexicana de Física","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135202899","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multiplicity of charged and identified particles within jets 射流中带电和已识别粒子的多样性
Suplemento de la Revista Mexicana de Física Pub Date : 2023-09-18 DOI: 10.31349/suplrevmexfis.4.021118
Eleazar Cuautle Flores, Saksevul Arias Santiz
{"title":"Multiplicity of charged and identified particles within jets","authors":"Eleazar Cuautle Flores, Saksevul Arias Santiz","doi":"10.31349/suplrevmexfis.4.021118","DOIUrl":"https://doi.org/10.31349/suplrevmexfis.4.021118","url":null,"abstract":"Jets are commonly used to study Quantum Chromodynamics and search for physics beyond the Standard model. Recent experimental results are analyzed to study hard and soft hadron production mechanisms within and out of the jets. The result of this work is the study of hadron production within and out of the jets produced in proton-proton collisions generated using Pythia 8.3 event generator. We report color reconnection effects on jet multiplicity, multiplicity for identified particles within the jets and transverse momenta distributions at 7 and 13 TeV.","PeriodicalId":210091,"journal":{"name":"Suplemento de la Revista Mexicana de Física","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135206238","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A mesurement of the mass of the τ lepton using new methods to study semi-invisible decays 利用研究半不可见衰变的新方法测量τ轻子的质量
Suplemento de la Revista Mexicana de Física Pub Date : 2023-09-18 DOI: 10.31349/suplrevmexfis.4.021107
Johan Andrés Colorado Caicedo, Eduard De La Cruz Burelo
{"title":"A mesurement of the mass of the τ lepton using new methods to study semi-invisible decays","authors":"Johan Andrés Colorado Caicedo, Eduard De La Cruz Burelo","doi":"10.31349/suplrevmexfis.4.021107","DOIUrl":"https://doi.org/10.31349/suplrevmexfis.4.021107","url":null,"abstract":"Measuring the mass of particles whose decay products cannot be detected poses a significant challenge due to the complexity of reconstructing these decays and measuring various parameters. However, studying processes involving undetectable particles is crucial as it enables us to delve deeper into familiar decays involving energy loss, such as Standard Model processes involving neutrinos. Additionally, it provides an opportunity to test models associated with physics beyond the Standard Model that can be generated in leptonic colliders. In this study, the mass of the tau lepton was determined by comparing three different methods for decays with semi-invisible final states. Specifically, the measurement focused on the decay τ − → π −ντ (signal). Among the three methods employed, the most accurate result was obtained using the Mmin method, yielding a tau lepton mass value of Mτ = 1777.06 ± 0.44 MeV. The measurement utilized official Monte Carlo data provided by the Belle II collaboration, specifically from the MC13a campaign conducted until 2020, with an integrated luminosity of 100fb−1 .","PeriodicalId":210091,"journal":{"name":"Suplemento de la Revista Mexicana de Física","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135202748","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sterile neutrinos in a left-right mirror model 左右镜像模型中的无菌中微子
Suplemento de la Revista Mexicana de Física Pub Date : 2023-09-18 DOI: 10.31349/suplrevmexfis.4.021120
Ricardo Gaitán Lozano, Albino Hernández Galeana, José H. Montes de Oca, Jose Manuel Rivera Rebolledo
{"title":"Sterile neutrinos in a left-right mirror model","authors":"Ricardo Gaitán Lozano, Albino Hernández Galeana, José H. Montes de Oca, Jose Manuel Rivera Rebolledo","doi":"10.31349/suplrevmexfis.4.021120","DOIUrl":"https://doi.org/10.31349/suplrevmexfis.4.021120","url":null,"abstract":"In this work we investigate the possibility that one neutrino mirror plays the role of a sterile neutrinos with mass on the scale of a few eV ′ s, that is, mˆ 1 ∼ O(1 eV ). We consider the extension of the Standard Model with gauge symmetry SU(2)L ⊗ SU(2)R ⊗ U(1)Y ′ and additional exotic fermions known as mirror fermions. A double application of the seesaw type I approximation to the most general Majorana-type neutrino mass matrix and diagonalization is performed to study neutrino masses and mixing.","PeriodicalId":210091,"journal":{"name":"Suplemento de la Revista Mexicana de Física","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135203662","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Exclusive Photo-production of J/Ψ and Ψ(2s) as a tool to explore the transition to high and saturated gluon densities at the LHC. J/Ψ和Ψ(2s)的独家照片制作，作为探索大型强子对撞机向高和饱和胶子密度过渡的工具。
Suplemento de la Revista Mexicana de Física Pub Date : 2023-09-18 DOI: 10.31349/suplrevmexfis.4.021121
Marco Antonio Alcazar Peredo, Martin Hentschinski
{"title":"Exclusive Photo-production of J/Ψ and Ψ(2s) as a tool to explore the transition to high and saturated gluon densities at the LHC.","authors":"Marco Antonio Alcazar Peredo, Martin Hentschinski","doi":"10.31349/suplrevmexfis.4.021121","DOIUrl":"https://doi.org/10.31349/suplrevmexfis.4.021121","url":null,"abstract":"
 
 
 We study the energy dependence of the cross-section for exclusive photo-production of vector mesons J/Ψ and Ψ(2s) and search for signs for the onset of non-linear QCD dynamics in this observable. Our study is based on two dipole models: the Golec-Biernat, Wuesthoff Model (GBW) and the Bartels, Golec-Biernat, Kowal- ski Model (BGK). We find that differences between linear and non-linear implementations of these models are relatively small in the kinematic region probed by both HERA and LHC experiments if the energy dependence of the photo-production cross-section is being considered. We however find that the ratio of both cross-sections grows with energy in the presence of non-linear effects, while it remains approximately constant in the linearized case. The ratio of photo-production cross-sections might therefore provide a suitable tool to characterize the size of non-linear QCD effects at current collider energies.
 
 
","PeriodicalId":210091,"journal":{"name":"Suplemento de la Revista Mexicana de Física","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135207963","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
QCD phase diagram in the presence of electric and magnetic fields 电场和磁场作用下的QCD相图
Suplemento de la Revista Mexicana de Física Pub Date : 2023-09-18 DOI: 10.31349/suplrevmexfis.4.021102
Aftab Ahmad
{"title":"QCD phase diagram in the presence of electric and magnetic fields","authors":"Aftab Ahmad","doi":"10.31349/suplrevmexfis.4.021102","DOIUrl":"https://doi.org/10.31349/suplrevmexfis.4.021102","url":null,"abstract":"In this contribution, We revisit the effect of electric eE and magnetic field eB and on the critical temperature T χ,C c of the chiral symmetry breaking/restoration and confinement/deconfinement phase transition in the QCD Phase diagram. In this context, we use the symmetrypreserving vector-vector contact interaction model of quarks, in the Schwinger-Dyson equations framework and in the proper time regularization scheme. We also describe the phenomenon of inverse electric catalysis in the pure electric case, magnetic catalysis (and inverse magnetic catalysis) in the pure magnetic case and inverse electromagnetic catalysis in the presence of both electric and magnetic background fields.","PeriodicalId":210091,"journal":{"name":"Suplemento de la Revista Mexicana de Física","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135202743","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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